[Ksplice][EL8-Updates] New Ksplice updates for OL 8 and RHEL 8 (ELSA-2021-2714)

[Oracle Ksplice]

Synopsis: ELSA-2021-2714 can now be patched using Ksplice
CVEs: CVE-2021-32399 CVE-2021-33909

Systems running RHCK on Oracle Linux 8 and Red Hat Enterprise Linux 8
can now use Ksplice to patch against the latest Red Hat kernel update,
ELSA-2021-2714.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-2714.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running OL 8 and RHEL 8
install these updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2021-32399: Code execution in the Bluetooth subsystem when removing an HCI controller.

A race condition flaw in the Bluetooth subsystem could lead to
a use-after-free of slab objects during HCI controller removal.
An local user could use this flaw to execute arbitrary code.


* CVE-2021-33909: Code execution in the virtual file system.

An unsigned to signed integer conversion flaw in the virtual file system
implementation could lead to a system crash. A local attacker could use
this flaw to execute arbitrary code or cause a denial-of-service.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.